diff --git a/pkgs/development/python-modules/devito/default.nix b/pkgs/development/python-modules/devito/default.nix
index 9421cb355a0c..b64e9c712e49 100644
--- a/pkgs/development/python-modules/devito/default.nix
+++ b/pkgs/development/python-modules/devito/default.nix
@@ -32,14 +32,14 @@
 
 buildPythonPackage rec {
   pname = "devito";
-  version = "4.8.19";
+  version = "4.8.20";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "devitocodes";
     repo = "devito";
     tag = "v${version}";
-    hash = "sha256-kE4u5r2GFe4Y+IdSEnNZEOAO9WoSIM00Ify1eLaflWI=";
+    hash = "sha256-7GlpvPjiUckzh1s2Pwfaoy/bMsAW1FscnyxGaADyie8=";
   };
 
   pythonRemoveDeps = [ "pip" ];
@@ -152,7 +152,7 @@ buildPythonPackage rec {
   meta = {
     description = "Code generation framework for automated finite difference computation";
     homepage = "https://www.devitoproject.org/";
-    changelog = "https://github.com/devitocodes/devito/releases/tag/v${version}";
+    changelog = "https://github.com/devitocodes/devito/releases/tag/${src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ atila ];
   };